embryology

/em·bry·ol·o·gy/ (em″bre-ol´ah-je) the science of the origin and development of the individual from fertilization of an oocyte to the end of the eighth week of development and, by extension, during any stage of prenatal development.

embryology

(ĕm′brē-ŏl′ə-jē)

n.

1. The branch of biology that deals with the formation, early growth, and development of living organisms.

Some (those who believe in an embryological explanation) think the cyst derives from joint capsule mesenchymal tissue that inadvertently gets entrapped in the arterial wall during embryonic development.

Additional information is needed from floral development, embryological, and especially biochemical data to confirm these findings so that a comprehensive morphological cladistic analysis can be completed.

Furthermore embryological studies have now demonstrated that the adipocytes in different regions of the body have different embryonic origins (Christian Dani, Universite de Nice Sophia-Antipolis, Nice, France).

The genetic contributors to NTDs are still poorly understood, but include genes involved in the folic acid pathway, in both fetal and maternal metabolism, and genes coding for many aspects of embryological control such as planar cell polarity and ciliogenesis.

This is a broad term used to describe a range of conditions that arise owing to errors in the early development of the nervous system, either during closure of the neural tube (also called primary neurulation, from conception to day 28) or subsequent embryological development (or secondary neurulation).

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